From: Kay Sievers <kay.sievers@vrfy.org>
Date: Mon, 7 Sep 2009 10:12:55 +0000 (+0200)
Subject: util_run_program(): skip multiple spaces in argv creation
X-Git-Tag: 174~785
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=f55083ce34c4065a4c87c98e0c77cb4bf70909d0

util_run_program(): skip multiple spaces in argv creation
---

diff --git a/libudev/libudev-util-private.c b/libudev/libudev-util-private.c
index dfde5a998..fb64c1322 100644
--- a/libudev/libudev-util-private.c
+++ b/libudev/libudev-util-private.c
@@ -269,10 +269,14 @@ int util_run_program(struct udev *udev, const char *command, char **envp,
 				/* do not separate quotes */
 				pos++;
 				argv[i] = strsep(&pos, "\'");
-				while (pos != NULL && pos[0] == ' ')
-					pos++;
+				if (pos != NULL)
+					while (pos[0] == ' ')
+						pos++;
 			} else {
 				argv[i] = strsep(&pos, " ");
+				if (pos != NULL)
+					while (pos[0] == ' ')
+						pos++;
 			}
 			dbg(udev, "arg[%i] '%s'\n", i, argv[i]);
 			i++;